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Boldenone Undecylenate (Equipoise): Lean Gains Cycle Guide for European Athletes
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Boldenone Undecylenate (Equipoise): Lean Gains Cycle Guide for European Athletes

Ivan Kowalskiยท Exercise Physiologist8 min readFeb 12, 2026

Boldenone Undecylenate (Equipoise, EQ) delivers steady lean muscle gains with enhanced vascularity and minimal water retention. This guide covers cycle structure, dosage, side effects, and how to buy Boldenone in Europe.

What Is Boldenone Undecylenate (Equipoise)?

Boldenone Undecylenate (trade name Equipoise, "EQ") was originally developed as a veterinary anabolic steroid for horses โ€” but its pharmacological profile has made it widely popular among human performance athletes. It is structurally a modified form of testosterone with an added double bond at the C1โ€“C2 position, which significantly reduces its aromatisation rate (approximately 50% less than testosterone) and increases its anabolic stability. The undecylenate ester gives it a very long half-life of approximately 14 days. Boldenone produces slow, steady lean muscle gains with notable increases in vascularity and red blood cell production โ€” making it particularly valued for cutting and recomposition phases.

Boldenone Dosage and Cycle Length

Standard dose: 300โ€“500 mg/week for most users; advanced users may run 500โ€“700 mg/week. Cycle length: 12โ€“16 weeks minimum (due to the long ester, shorter cycles do not allow sufficient blood level stabilisation). Inject twice per week to minimise blood level fluctuations despite the long half-life. Boldenone is almost always stacked with testosterone โ€” a Testosterone Enanthate 300 mg/week + Boldenone 400 mg/week cycle for 16 weeks is a classic lean mass protocol. Expected results: 4โ€“7 kg of quality lean mass, significantly enhanced vascularity and muscle separation, modest strength gains.

The Appetite and Erythropoiesis Effects

Two of Boldenone's most notable effects are significantly increased appetite and elevated red blood cell (RBC) production. The appetite-stimulating effect is welcome during bulking phases but can make it challenging to maintain a caloric deficit. The erythropoietic effect (EPO-like) increases haematocrit and haemoglobin, improving oxygen-carrying capacity and muscular endurance. However, at higher doses or in individuals prone to high haematocrit, regular blood donation or haematocrit monitoring is advisable โ€” thickened blood raises cardiovascular risk.

Estrogen and Androgenic Side Effects

Boldenone aromatises at approximately half the rate of testosterone โ€” this makes it manageable without heavy AI use for most users, though some individuals with high aromatase activity may still require Anastrozole 0.25 mg every other day. Androgenically, it is milder than testosterone (androgenic rating ~50 vs 100) โ€” DHT-related sides like hair loss and acne are less pronounced. However, it does significantly increase libido during cycle โ€” this is generally considered a positive effect. No notable progestogenic activity (unlike Nandrolone), simplifying the management profile.

PCT After Boldenone Undecylenate

Due to the very long undecylenate ester (half-life ~14 days), do not start PCT until 3 weeks after the last injection. Boldenone suppression is moderate โ€” less severe than Nandrolone, comparable to Testosterone. Standard PCT suffices: Nolvadex 40/40/20/20 mg/day over 4 weeks. Natural testosterone recovery is generally smooth due to the moderate suppression profile. Bloodwork 4โ€“6 weeks post-PCT is recommended to confirm full recovery of LH, FSH, and total testosterone to baseline.

How to Buy Boldenone (Equipoise) Online in Europe

Boldenone Undecylenate is widely available from several verified European manufacturers at concentrations of 200โ€“300 mg/ml. PharmaForce stocks Boldenone Undecylenate 250 mg/ml (10 ร— 1ml ampoule boxes) from Alpha Pharma โ€” a manufacturer with consistent independent lab verification reports confirming stated concentration. All orders are dispatched from EU-based warehouses for full domestic EU shipping โ€” no customs declarations or delays for European buyers. Available in Germany, France, Netherlands, Poland, Spain, Italy, Austria, Sweden, and 25+ EU countries with delivery in 3โ€“8 business days. Plain, discreet packaging.

Written by

Ivan Kowalski

Exercise Physiologist

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